/*
 *    Copyright (c) 2006 ThoughtWorks, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.thoughtworks.turtlemock.proxybuilder;

import com.thoughtworks.turtlemock.internal.ObjectOperation;
import com.thoughtworks.turtlemock.internal.Operation;
import com.thoughtworks.turtlemock.internal.OperationMocker;
import com.thoughtworks.turtlemock.internal.ProxyTypeMock;

import java.lang.reflect.Method;

class MockInvocationHandler implements java.lang.reflect.InvocationHandler {
    private Operation objectOperation;
    private Operation operationMocker;

    public MockInvocationHandler(ProxyTypeMock mock) {
        this.objectOperation = new ObjectOperation(mock.targetType());
        this.operationMocker = new OperationMocker(mock);
    }

    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
        return getOperation(method).execute(proxy, method, args);
    }

    private Operation getOperation(Method method) {
        if (isObjectMethod(method)) {
            return objectOperation;
        }
        return operationMocker;
    }

    private boolean isObjectMethod(Method method) {
        Method[] methods = Object.class.getMethods();
        for (int i = 0; i < methods.length; i++) {
            if (methods[i].equals(method)) {
                return true;
            }
        }
        return false;
    }
}

